1.

Find \[x\], if \[{{\left( \frac{5}{11} \right)}^{-3}}\times {{\left( \frac{5}{11} \right)}^{5}}={{\left( \frac{5}{11} \right)}^{x}}\]

A.  3                                
B.  4                    
C.  8                    
D.         2
Answer» E.


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